LEVELNODE *GetWallLevelNodeAndStructOfSameOrientationAtGridno( INT16 sGridNo, INT8 ubOrientation, STRUCTURE **ppStructure )
{
LEVELNODE *pNode = NULL;
STRUCTURE * pStructure, * pBaseStructure;
(*ppStructure) = NULL;
pStructure = FindStructure( sGridNo, STRUCTURE_WALLSTUFF );
while ( pStructure != NULL )
{
// Check orientation
if ( pStructure->ubWallOrientation == ubOrientation )
{
pBaseStructure = FindBaseStructure( pStructure );
if (pBaseStructure)
{
pNode = FindLevelNodeBasedOnStructure( pBaseStructure->sGridNo, pBaseStructure );
(*ppStructure) = pBaseStructure;
return( pNode );
}
}
pStructure = FindNextStructure( pStructure, STRUCTURE_WALLSTUFF );
}
return( NULL );
}
LEVELNODE *GetWallLevelNodeOfSameOrientationAtGridNo( INT32 sGridNo, INT8 ubOrientation )
{
LEVELNODE *pNode = NULL;
STRUCTURE * pStructure;
pStructure = FindStructure( sGridNo, STRUCTURE_WALLSTUFF );
while ( pStructure != NULL )
{
// Check orientation
if ( pStructure->ubWallOrientation == ubOrientation )
{
pNode = FindLevelNodeBasedOnStructure( sGridNo, pStructure );
return( pNode );
}
pStructure = FindNextStructure( pStructure, STRUCTURE_WALLSTUFF );
}
return( NULL );
}
BOOLEAN WallExistsOfTopRightOrientation( INT16 sGridNo )
{
// CJC: changing to search only for normal walls, July 16, 1998
STRUCTURE * pStructure;
pStructure = FindStructure( sGridNo, STRUCTURE_WALL );
while ( pStructure != NULL )
{
// Check orientation
if ( pStructure->ubWallOrientation == INSIDE_TOP_RIGHT || pStructure->ubWallOrientation == OUTSIDE_TOP_RIGHT )
{
return( TRUE );
}
pStructure = FindNextStructure( pStructure, STRUCTURE_WALL );
}
return( FALSE );
}
BOOLEAN OpenLeftOrientedDoorWithDoorOnLeftOfEdgeExists( INT16 sGridNo )
{
STRUCTURE * pStructure;
pStructure = FindStructure( sGridNo, STRUCTURE_ANYDOOR );
while ( pStructure != NULL && (pStructure->fFlags & STRUCTURE_OPEN) )
{
// Check orientation
if ( pStructure->ubWallOrientation == INSIDE_TOP_LEFT || pStructure->ubWallOrientation == OUTSIDE_TOP_LEFT )
{
if ( (pStructure->fFlags & STRUCTURE_DOOR) || (pStructure->fFlags & STRUCTURE_DDOOR_LEFT) )
{
return( TRUE );
}
}
pStructure = FindNextStructure( pStructure, STRUCTURE_ANYDOOR );
}
return( FALSE );
}
BOOLEAN WallOrClosedDoorExistsOfTopRightOrientation( INT16 sGridNo )
{
STRUCTURE * pStructure;
pStructure = FindStructure( sGridNo, STRUCTURE_WALLSTUFF );
while ( pStructure != NULL )
{
// skip it if it's an open door
if ( ! ( ( pStructure->fFlags & STRUCTURE_ANYDOOR ) && ( pStructure->fFlags & STRUCTURE_OPEN ) ) )
{
// Check orientation
if ( pStructure->ubWallOrientation == INSIDE_TOP_RIGHT || pStructure->ubWallOrientation == OUTSIDE_TOP_RIGHT )
{
return( TRUE );
}
}
pStructure = FindNextStructure( pStructure, STRUCTURE_WALLSTUFF );
}
return( FALSE );
}